 
| PCS-2023 > 0 > 0N > 0NN > 0NNF | 
| 0NN | Head and Facial Bones, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 0NNF | Release, Ethmoid Bone, Right | |
| 0NNF0 | Open | |
| 0NNF0Z | No Device | |
| 0NNF0ZZ | Release Right Ethmoid Bone, Open Approach | |
| 0NNF3 | Percutaneous | |
| 0NNF3Z | No Device | |
| 0NNF3ZZ | Release Right Ethmoid Bone, Percutaneous Approach | |
| 0NNF4 | Percutaneous Endoscopic | |
| 0NNF4Z | No Device | |
| 0NNF4ZZ | Release Right Ethmoid Bone, Percutaneous Endoscopic Approach | |
| ICD-10-CM-2023 Code Search Engine and PCS-2023 Code Search Engine |